#!/bin/bash
# states - A state capital guessing game. Requires the state capitals
#   data file at http://www.intuitive.com/wicked/examples/state.capitals.txt.

setvar db = ""/usr/lib/games/state.capitals.txt""     # Format is State[tab]City

if test ! -r $db  {
  echo "$0: Can't open $db for reading." >&2
  echo "(get http://www.intuitive.com/wicked/examples/state.capitals.txt" >&2
  echo "save the file as $db and you're ready to play!)" >&2
  exit 1
}

setvar guesses = '0'; setvar correct = '0'; setvar total = '0'

while test $guess != "quit" {
  
  setvar thiskey = "$(randomquote $db)"
  
  # $thiskey is the selected line. Now let’s grab state and city info,
  # then also have "match" as the all-lowercase version of the city name

  setvar state = "$(echo $thiskey | cut -d\   -f1 | sed 's/-/ /g')"
   setvar city = "$(echo $thiskey | cut -d\   -f2 | sed 's/-/ /g')"
  setvar match = "$(echo $city | tr '[:upper:]' '[:lower:]')"

  setvar guess = ""??"" ; setvar total = $(( $total + 1 )) ;

  echo ""
  echo "What city is the capital of $state?"

  # Main loop where all the action takes place. Script loops until
  # city is correctly guessed, or the user types "next" to 
  # skip this one, or "quit" to quit the game

  while [ "$guess" != "$match" -a "$guess" != "next" -a "$guess" != "quit" ]
  {
    /bin/echo -n "Answer: "
    read guess

    if test $guess = $match -o $guess = $city  {
      echo ""
      echo "*** Absolutely correct!  Well done! ***"
      setvar correct = $(( $correct + 1 ))
      setvar guess = "$match"
    } elif test $guess = "next" -o $guess = "quit"  {
      echo ""
      echo "$city is the capital of $state."  # what you SHOULD have known 
    } else {
      echo "I'm afraid that's not correct."
    } 
  }

}

echo "You got $correct out of $total presented."
exit 0